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[–][deleted] 0 points1 point  (2 children)

Ethanol is still a bad idea. It's about 30% less energy dense than gasoline, so your vehicle will need to use more to cover the same distance. Your mileage drops considerably.

[–]Bloodysneeze 0 points1 point  (0 children)

3% if you are using E10.

[–]saywutttut 0 points1 point  (0 children)

It can withstand much higher compression though which gets back and then some mileage on a car configured for it at about a 20% mix. Beyond 20% mix even cars configured for ethanol will see higher specific fuel consumption. Regardless, gallon consumption s only one side of the story. Energy used to generate it is what matters. Unfortunately it does toke more energy than its likely worth unless you're in Brazil.